JustDial.com — I am complaining about charges by justdial every month from credit card

Hi,
i am rohit prajapati and i am realtor in gandhinagar. before 1 year justdial executive came to my office and tell me about justdial lead generation opportunity. I paid him full amount of as per discussed. i was surprised that every month they also deduct from credit card also for same service also. this time of scam i never expect from justdial which now of reliance venture.
Why and how you deduct same charges again?
you can contact me on [protected] also .